ActionMailer::Base.smtp_settings = {  
   :address              => "smtp.exmail.qq.com",  
   :port                 => 25,  
   :domain               => "smtp.exmail.qq.com",  
   :user_name            => "support@ttbiji.com",
   :password             => "hello8848",
   :authentication       => "plain",  
   :enable_starttls_auto => true
}
